DENVER SHOW MINERAL COLLECTION and INVENTORY LIQUIDATION AUCTION (set 2 of 2) - FEATURING SPECIMENS FROM THE KAY ROBERTSON COLLECTION - end Thursday September 13th, 2018

Ends Thursday, September 13th, 2018
at 6:45 PM (Central Time Zone)


We have a great selection of material that we picked up over the last few months along with rarities, unusual pieces, gem crystals, classics and display specimens. Look for new goodies from Tucson along with new collection acquisitions to appear in the coming weeks. You'll even find a few fossils, carvings / lapidary items and gemstones mixed in every now and then. We'll still have selections from various collections we've obtained including Willard Wulff, Francesco Bedogne, Rolando Gioia, Charlie Key and plenty of pieces from Kay Robertson along with various dealers' inventories. Look here for the not so typical mineral specimens along with plenty of your favorites. We don't just offer the "standard 20 species", but an eclectic mix of specimens that appeal to everybody! Enjoy!

Some of the highlights from this week's auction include:

1. Wonderful bi-colored SAPPHIRE crystal on matrix from Madagascar
2. Newly mined, unusual "Coconut" ANDRADITE GARNET from Peru
3. GEM quality colorless TOPAZ specimen from Yunnan Province, China - 63.33 grams
4. Beautiful pinkish-red RHODOCHROSITE with QUARTZ and sulfides from the world famous Sweet Home Mine
5. Wonderful crystallized GOLD specimen from the Alta Floresta District, Brazil
6. Lovely pink manganese-bearing CALCITE crystal group from Dal'negorsk, Russia
7. Icon Trapiche Habit EMERALD from the Muzo Mine, Colombia
8. Fantastic GEMMY "phantom" FLUORIE crystal group from China - Ex Steve Smale Collection. 9. A CLASSIC specimen of PYRARGYRITE, plus a specimen of PROUSTITE from Freiberg, Germany!
10. Page 2 features assorted worldwide minerals (focusing on European localities) from the Kay Robertson Collection
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Sapphire (bi-color) on matrix
Amboarohy, Ihosy District, Fianarantsoa Province, Madagascar
6.0 x 5.8 x 2.8 cm
Calcite (Manganoan)
Dal'negorsk, Kavalerovo Mining District, Primorskiy Kray, Far-Eastern Region, Russia
7.8 x 5.3 x 4.0 cm
Andradite Garnet (Geode / "Coconut") (new find)
Pampa Blanca District, Castrovirreyna Province, Huancavelica Department, Peru
5.6 x 4.2 x 2.3 cm
Emerald (Trapiche habit)
Muzo Mine, Mun. de Muzo, Vasquez-Yacopu Mining District, Boyaca Department, Colombia
0.5 x 0.5 x 0.1 cm
Aquamarine (GEM QUALITY) (7.61 grams)
Dassu, Braldu Valley, Skardu District, Baltistan, Gilgit-Baltistan, Pakistan
4.3 x 0.9 x 0.7 cm
Indicolite Tourmaline (ex Rolando Gioia Collection)
Santa Rosa mine, Itambacuri, Minas Gerais, Brazil
2.1 x 0.9 x 0.8 cm
Fluorite (GEMMY phantom crystals) (ex Dr. Steven Smale Collection)
Shangbao Mine, Leiyang Co., Hengyang Prefecture, Hunan Province, China
4.9 x 4.8 x 3.7 cm
Gold (2.30 grams)
Alta Floresta district, Juruena-Teles Pires mineral province, Mato Grosso, Brazil
1.0 x 0.7 x 0.5 cm
Pyromorphite (great color)
Daoping Mine, Gongcheng, Guilin area, Guangxi Zhuang Autonomous Region, Central South Region, China
3.2 x 1.4 x 1.3 cm
Quartz (with "casts" after Anhydrite) (ex Brian Kosnar Collection)
Ohio Mine, Ouray Amphitheater, Ouray County, Colorado
18.8 x 12.7 x 10.6 cm
Titanite (twins)
Arondu, Basha Valley, Skardu district, Baltistan, Gilgit-Baltistan, Pakistan
4.7 x 3.8 x 1.1 cm
Tantalite-(Mn) (rare locality)
Quixaba pegmatite, Quixaba, Frei Martinho, Borborema mineral province, Paraiba, Brazil
1.8 x 1.7 x 1.3 cm
Quartz (var: Amethyst) (ex Dave Bergman Collection)
Camp Bird Mine, Ouray County, Colorado
7.8 x 7.5 x 5.6 cm
Fluorapatite ("Cat's Eye" crystal)
Itarana, Espurito Santo, Brazil
3.3 x 2.6 x 2.3 cm
Hemimorphite with Veszelyite
Laochang, Gejiu Co., Honghe Autonomous Prefecture, Yunnan Province, China
8.1 x 7.3 x 3.8 cm
Tourmaline (inside out pseudomorph / replacement) with Quartz and Lepidolite
Urubu Mine, Monte Belo, Itinga, Minas Gerais, Brazil
2.7 x 1.7 x 1.6 cm
Serandite (ex Charlie Key Collection)
Poudrette quarry, Mont Saint-Hilaire, La Vallee-du-Richelieu RCM, Monteregie, Quebec, Canada
3.6 x 2.0 x 1.7 cm
Rose Quartz "Flower" (ex Rolando Gioia Collection)
Pitorra Claim, Laranjeiras, Galileia, Doce valley, Minas Gerais, Brazil
4.7 x 3.9 x 3.7 cm
Copper pseudomorph after Cuprite
Rubtsovskoe Cu-Zn-Pb deposit, Rudnyi Altai, Altaiskii Krai, Western-Siberian Region, Russia
1.7 x 1.6 x 1.4 cm
Vesuvianite (classic material)
Jeffrey Mine, Asbestos, Les Sources RCM, Estrie, Quebec, Canada
4.1 x 3.3 x 1.2 cm
Grossular (classic material)
Jeffrey Mine, Asbestos, Les Sources RCM, Estrie, Quebec, Canada
4.3 x 4.3 x 2.1 cm
Millerite (ex Rich Kosnar Collection)
Monte Acuto Ragazza, Grizzana, Bologna Province, Emilia-Romagna, Italy
3.4 x 2.8 x 2.4 cm
Red Quartz
Potosi Department, Bolivia
3.1 x 2.6 x 1.3 cm
Amber with MULTIPLE insect inclusions
Sabana de la Mar (Sabana), Hato Mayor Province, Dominican Republic
2.6 x 0.6 x 0.4 cm
Suolunite (incredibly rare) (ex Charlie Key Collection)
Black Lake Mine, Saint-Joseph-de-Coleraine / Thetford, Les Appalaches RCM, Chaudiere-Appalaches, Quebec, Canada
2.4 x 2.3 x 1.1 cm
Zircon (ex Kay Robertson Collection)
Store Kufjord, Seiland Island, Alta, Finnmark, Norway
7.0 x 4.3 x 4.0 cm
Sylvite (rare locality specimen) (ex Kay Robertson Collection)
Merkers, Merkers-Kieselbach, Thuringian Forest, Thuringia, Germany
5.8 x 5.7 x 2.2 cm
Vesuvianite (ex Kay Robertson Collection)
Monzoni Mts, Fassa Valley, Trento Province, Trentino-Alto Adige, Italy
6.7 x 3.8 x 1.5 cm
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